Features:Adopt super-accuracy sensor from Swiss.Mini size and multifunction.Incorporates altimeter， highest altitude record， climb rate， barometer， compass， thermometer， weather forecast， and time function.Sea level altitude setting directly.Comes with a carabiner for easy carry.IPX 4 waterproof.LCD blue backlit.Specifications:1) AltimeterDisplay range: -2296ft to 29500ft (-700m to 9000m)Resolution: 1m/3ftAltimeter measurement: Sea level altitude / Climbing altitudeThe highest altitude record automatically during climbing: AvailableSea level altitude setting directly: AvailableClimb rate measurement: AvailableUnit: M / Ft unit switch available2) BarometerDisplay range: 300hpa to 1100hpa (8.8 to 32.6inHg)Resolution: 0.1hpaUnit: Millibar / Inhg unit switch available3) ThermometerDisplay range: -20¡æ to 60¡æ (-4¨H to 140¨H)Resolution: 1¡æ / 1¨HUnit: ¡æ / ¨H unit switch available4) CompassDisplay mode: 360o with 16 directionsResolution: 1¡ã5) Weather ForecastForecast: Forecast for next 12 to 24 hours weatherFour weather status: Sunny-Slight sunny-Cloudy-Rain6) Time & DateDisplay mode: 24H or 12H available7) BacklightDisplay mode: 5 seconds super bright LCD blue backlitWaterproof level: IPX48) OthersModel: SR108NColor: BlueMaterial: ABSDimension: 62 * 53 * 15mm / 2.4 * 2.1 * 0.6inWeight: 28g / 1ozPackage size: 13.5 * 10 * 2.5cm / 5.3 * 3.9 * 1inPackage weight: 68g / 2.4ozNote:Please do NOT submerge in water.Carabiner may differ in color or shape due to product stock.Package List:1 * Mini Digital Altimeter1 * Carabiner1 * User Manual (English)